2x-9=12x-77

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Solution for 2x-9=12x-77 equation:


Simplifying
2x + -9 = 12x + -77

Reorder the terms:
-9 + 2x = 12x + -77

Reorder the terms:
-9 + 2x = -77 + 12x

Solving
-9 + 2x = -77 + 12x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-12x' to each side of the equation.
-9 + 2x + -12x = -77 + 12x + -12x

Combine like terms: 2x + -12x = -10x
-9 + -10x = -77 + 12x + -12x

Combine like terms: 12x + -12x = 0
-9 + -10x = -77 + 0
-9 + -10x = -77

Add '9' to each side of the equation.
-9 + 9 + -10x = -77 + 9

Combine like terms: -9 + 9 = 0
0 + -10x = -77 + 9
-10x = -77 + 9

Combine like terms: -77 + 9 = -68
-10x = -68

Divide each side by '-10'.
x = 6.8

Simplifying
x = 6.8

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